ey MarWz2/28/18 9:01 PM Homework: HW #4 Score: 0 of 1 pt Save | 14 of 42 (21 com

Question

ey MarWz2/28/18 9:01 PM Homework: HW #4 Score: 0 of 1 pt Save | 14 of 42 (21 complete) HW Score: 40.48%, 17 of 42 p 4.2.15 Question Help Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume table that orders are randomly solected from those included in th Drive-thru Restaurant Order Accurate Order Not Accurate 332 278 230 143 34 51 30 13 If two orders are selected, find the probability that they are both accurate. Complete parts (a) and (b) below a. Assume that the selections are made with replacement. Are the events independent? The probablity is D The events are not independent (Round to three decimal places as needed) Enter your answer in the answer box and then click Check Answer Check Answer Clear All remaining

Explanation / Answer

Ans:

First find the probabilty of a order being accurate=983/111

P(both order accurate)=(983/111)^2=0.783

(As order are selected with replacement,so independent events)

A B C D Total Accurate 332 278 230 143 983 not Accurate 34 51 30 13 128 Total 366 329 260 156 1111

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